Finding the Fourth Proportional to 10,393.63, 14,343.18 and 5,677.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,393.63 : 14,343.18 = 5,677.91 : x
2. Step 2: Convert to fraction form
   10,393.63/14,343.18 = 5,677.91/x
3. Step 3: Cross multiply
   10,393.63x = 14,343.18 × 5,677.91
4. Step 4: Simplify right side
   10,393.63x = 81,439,326.61
5. Step 5: Solve for x
   x = 81,439,326.61/10,393.63
6. Step 6: Final answer
   x = 7,835.50